Java Utililty Methods FileChannel Copy

List of utility methods to do FileChannel Copy

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Description

The list of methods to do FileChannel Copy are organized into topic(s).

Method

voidcopyFile(File src, File dst)
copy File 
long p = 0, dp, size;
FileChannel in = null, out = null;
try {
    if (!dst.exists())
        dst.createNewFile();
    in = new FileInputStream(src).getChannel();
    out = new FileOutputStream(dst).getChannel();
    size = in.size();
...
voidcopyFile(File src, File dst)
copies the contents of a file 
FileInputStream in = new FileInputStream(src);
FileOutputStream out = new FileOutputStream(dst);
copyChannel(in.getChannel(), src.length(), (WritableByteChannel) out.getChannel());
in.close();
out.close();
voidcopyFile(File src, File dst)
Copy a file to another folder 
if (src == null) {
    throw new IllegalArgumentException("File src can't be null!!");
if (dst == null) {
    throw new IllegalArgumentException("File dst can't be null!!");
if (!src.exists()) {
    throw new FileNotFoundException("File " + src.getName() + " can't be found!");
...
voidcopyFile(File src, File dst)
copy File 
FileChannel c1 = new RandomAccessFile(src, "r").getChannel();
FileChannel c2 = new RandomAccessFile(dst, "rw").getChannel();
long tCount = 0, size = c1.size();
while ((tCount += c2.transferFrom(c1, 0, size - tCount)) < size) {
c1.close();
c2.force(true);
c2.close();
...
voidcopyFile(File src, File target)
copy File 
prepareWrite(target);
try (FileInputStream in = new FileInputStream(src); FileOutputStream out = new FileOutputStream(target)) {
    FileChannel chin = in.getChannel();
    FileChannel chout = out.getChannel();
    chin.transferTo(0, chin.size(), chout);
booleancopyFile(File src, File target)
copy File 
boolean flag = false;
FileInputStream in = null;
FileOutputStream out = null;
try {
    in = new FileInputStream(src);
    out = new FileOutputStream(target);
    FileChannel inCh = in.getChannel();
    FileChannel outCh = out.getChannel();
...
voidcopyFile(File srcFile, File destFile, boolean preserveFileDate)
From Apache Commons FileUtils 
if (srcFile == null) {
    throw new NullPointerException("Source must not be null");
if (destFile == null) {
    throw new NullPointerException("Destination must not be null");
if (srcFile.exists() == false) {
    throw new FileNotFoundException("Source '" + srcFile + "' does not exist");
...
voidcopyFile(File srcFile, File destFile, boolean preserveFileDate)
Copies a file to a new location. 
if (srcFile == null) {
    throw new NullPointerException("Source must not be null");
if (destFile == null) {
    throw new NullPointerException("Destination must not be null");
if (srcFile.exists() == false) {
    throw new FileNotFoundException("Source '" + srcFile + "' does not exist");
...
voidcopyFile(File srcFile, File destFile, boolean preserveFileDate)
copy File 
if (destFile.exists() && destFile.isDirectory()) {
    throw new IOException("Destination '" + destFile + "' exists but is a directory");
FileInputStream fis = null;
FileOutputStream fos = null;
FileChannel input = null;
FileChannel output = null;
try {
...
voidcopyFile(File srcFile, File dstFile, boolean overwrite)
copy File 
if (dstFile.isDirectory())
    throw new IOException("copyFile: destination is a directory: " + dstFile.getAbsolutePath());
if (dstFile.exists() && !overwrite)
    throw new IOException("copyFile: destination file already exists: " + dstFile.getAbsolutePath());
FileChannel srcChannel = null;
FileChannel dstChannel = null;
try {
    srcChannel = new FileInputStream(srcFile).getChannel();
...